99840352 has 12 divisors (see below), whose sum is σ = 196560756. Its totient is φ = 49920160.

The previous prime is 99840343. The next prime is 99840353. The reversal of 99840352 is 25304899.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99840353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1559974 + ... + 1560037.

It is an arithmetic number, because the mean of its divisors is an integer number (16380063).

Almost surely, 2^99840352 is an apocalyptic number.

It is an amenable number.

99840352 is a deficient number, since it is larger than the sum of its proper divisors (96720404).

99840352 is a wasteful number, since it uses less digits than its factorization.

99840352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120021 (or 3120013 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 99840352 is about 9992.0144115188. The cubic root of 99840352 is about 463.9117450061.

The spelling of 99840352 in words is "ninety-nine million, eight hundred forty thousand, three hundred fifty-two".